KK

Koichiroh Katoh

NC Nippon Petrochemicals, Co.: 1 patents #181 of 359Top 55%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
📍 Abiko, JP: #131 of 277 inventorsTop 50%
Overall (All Time): #1,296,015 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5200122 Surface activating method for thermoplastic resin molded articles Motomi Nogiwa, Yoshiharu Iwasaki 1993-04-06
5077082 Method of treating surface of shaped body formed of polypropylene resin Tatasuyuki Mitsuno, Hideo Shinonaga, Akio Daimon 1991-12-31
5059447 Method for the acitivation of a surface of a shaped body formed of a synthetic organic polymer Etsuji Takehara, Yoshiie Matsumoto 1991-10-22
4853253 Method of activating surface of shaped body formed of synthetic organic polymer 1989-08-01